Domain Name Service, a method of converting a textual doman name to an IP address

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3
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3answers
4k views

Dig not returning authority section?

Digging wikipedia.com, on my Macbook Pro, returns: $ dig wikipedia.com ; <<>> DiG 9.8.3-P1 <<>> wikipedia.com ;; global options: +cmd ;; Got answer: ;; ...
2
votes
1answer
615 views

Periodic problem with DNS resolution

Since a few days, the DNS resolution stops working for random amounts of time, a few seconds to a few hours (I logged it with a simple script). It sometimes goes back to normal without any ...
1
vote
1answer
3k views

Mac Frequent SSL errors when trying to reach google.com

On my mac, I often try to go to Google.com and chrome gives me an error: "You attempted to reach www.google.com, but instead you actually reached a server identifying itself as www.apple.com. This may ...
1
vote
3answers
2k views

nslookup & dig fail; ping, traceroute, and scutil -r work

I'm running on 10.8.2. All of a sudden, traditional nameserver lookups are failing on my machine: $ nslookup www.att.com ;; connection timed out; no servers could be reached $ dig www.att.com ; ...
0
votes
1answer
854 views

How can I set up Macs with dynamic IP addresses to update a server with a static IP?

I have several clients who have Airport Extremes and Macs at their houses. They all have dynamic IP address from their ISP. I want to have their Airport Extremes register their IP addresses with my ...
3
votes
1answer
433 views

Why are DNS server addresses lost after reboot?

I applied OpenDNS server addresses to Network Preference > Advanced > DNS. These were applied first under user account, then believing I needed to apply as Admin. Yet upon reboot they're replaced ...
1
vote
1answer
258 views

10.8.2 DNS in hosts lookup slow

As a web developer, I need to make a domain redirect to localhost. I modified the hosts file to do that. But I don't know why it always took so long to do the lookup. How can I solve this?
2
votes
2answers
716 views

How do I configure dynamic DNS when my router does not support it?

I have a MacBook which is connected to the net via an ancient DSL router (NAT enabled). I want to SSH into the server from elsewhere, but my ISP assigns new IP address every once in a while. I would ...
12
votes
1answer
9k views

Do /etc/resolver/ files work in Mountain Lion for DNS resolution?

Can anyone tell me if adding a file under /etc/resolver will work for DNS resolution using a DNS server other than what is handed out via DHCP ? My issue is that I want to use OpenDNS for a clients ...
1
vote
1answer
381 views

Changing WiFi settings separately

I'm using 2 WiFi networks with my MacBook Air. I need to switch between them sometimes. The problem is one needs completely different settings from the other, and it looks like I can only make ...
2
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0answers
390 views

not resolve local domins from /etc/hosts

Somehow I have a problem (previously everything was ok), hosts form /etc/hosts can't bre resolved. I have local domain in /etc/hosts, like 127.0.0.1 test.local It's loading in browser well but too ...
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0answers
178 views

DNS issue with Microsoft Sharepoint

I am having this issue on my MacBook Air but not on my Windows machine or even my Windows virtual machine on the Macbook Air. Client uses Microsoft SharePoint for documents and logs. I was given two ...
1
vote
1answer
162 views

Is it possible to check the DNS server you're using on the iphone?

on windows, you'd use something like ipconfig /all to see the dns server you're hitting. What would u do on an iphone or mobile device?
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0answers
94 views

DNS Problem: My website loads a spammy page when i visit from my computer, but works fine on my phone and other computers

I have tried visiting http://getridofit.com from my mac using Chrome and Safari. Both times it loads this page: When I visit from any other computer I get the normal website. Is this a DNS problem ...
13
votes
10answers
16k views

Mac OS X Mountain Lion - DNS resolving uses wrong order on VPN via dial-up connection

I am using a MacBook with Mac OS X 10.8.2 and connect to my company's network via VPN. Everything works great when establishing the VPN connection via LAN or WLAN. However, when I use a dial-up ...
4
votes
2answers
736 views

How would I prepend 127.0.0.1 as a nameserver all the time

I do web development and I would like to have dnsmasq running and handing my local dns requests. However I work in a lot of different networking scenarios and I need to DHCP updating my networking ...
7
votes
2answers
5k views

What is the preferred method of command line domain name lookup (DNS)?

What command line command do I use to lookup a domain address? When looking at the man pages for nslookup and dig I can see a section saying that these utilities do not use the Mac OS methods of ...
2
votes
2answers
389 views

How can I make the UP arrow work in Terminal's nslookup command?

When I open terminal, I'd like the up arrow go to the last command I typed within nslookup. Instead I get a strange escape sequence. What must be done to allow me to up arrow in nslookup?
0
votes
1answer
356 views

DNS Changer on my iPad

I've jailbroken my iPad. First time I checked with dns-changer.eu it stated mine was manipulated, then I checked again it stated that mine is clean. Getting confused & curious, I checked again ...
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vote
2answers
778 views

Cannot use ssh/ping domain name after connecting to openvpn

I've got two macs, both on the same network, both using Tunnelblick to connect to vpn. Both with same settings. Both connect fine and both have the same settings for DNS and search domain applied ...
0
votes
2answers
3k views

Why can I not access my own website - unknown host? [closed]

I have a website - www.birupakhyadash.com - which I am not able to access. The traceroute to the address returns the error: unknown host. I have tried to clear the dns cache and disable the ...
0
votes
1answer
361 views

How to use machine name of iOS devices on network?

I have an iPhone 4 and a 3rd generation iPad. They connect to my local home network over WiFi but I cannot use their machines names. I have an app on both devices that exposes a web server, but I can ...
1
vote
1answer
1k views

Mail.app keeps trying to connecting to old mail server

Yesterday my web host (Dreamhost) unexpectedly moved my email account to a new server. Most of my email clients didn't skip a beat, and continued to connect to the server and receive mail. However, ...
0
votes
3answers
1k views

DNS Issues after Updating to Mountain Lion

I've updated to Mountain Lion, and I'm having some DNS problems. I always PPTP/L2TP VPN connections on my macbook. Recently after a while of working with Mountain Lion, VPN stops sending and receiving ...
1
vote
1answer
526 views

Using a dyn.com dynamic host name with an AirPort device

I have an AirPort Extreme base station with firmware 7.6.1 and would like to access it remotely using a dynamic hostname registered with dyn.com (e.g. example.dyndns.org). An explanation is given by ...
3
votes
1answer
988 views

Can I proxy traffic / domains through my phone by tethering to carrier data?

Would it be possible for me to proxy example.com to http://google.com/example.com/, through my jailbroken iPhone? I would tether my connection to my laptop, so to my laptop it connects to Google's IP ...
9
votes
2answers
5k views

How to fix DNS resolving issues on Mountain Lion after waking from sleep?

After I installed Mountain Lion the other day I've noticed something very annoying. Almost every time I wake my iMac (27", mid-2010, CI7) from sleep: it seems that something DNS-related is broken. ...
1
vote
1answer
1k views

Odd (potentially DNS) network problems on my Macbook Pro (VPN / Network Connect related)

I was reluctant to ask a new question as there appears to be a million dns related questions on here and elsewhere already, but, I think mine might be a bit different. An example, right now I am ...
4
votes
4answers
12k views

How to fix hanging Server Admin, log shows servermgrd error in getAndLockContext: flock(servermgr_info) FATAL time out

On a 10.7.4 Lion Server installation the Server Admin.app fails to start correctly. The window is drawn and the last known server and its services are displayed, but a spinning wheel keeps spinning on ...
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0answers
670 views

ping and browsers do not seem to use local DNS server? (or: mDNSResponder looses local dns server?)

(1) Stack Info DNS Server CentOS 5.6 64bit running dnsmasq 2.45 on IP 10.9.8.2. Serving as DNS-Only Server using it's local /etc/hosts. /etc/resolv.conf on this machine has Router Draytek ...
3
votes
7answers
5k views

Can't access apple.com webservers, App Store, nor Software Update

I have a MacBook Pro Early 2011 running Lion 10.7.4 (11E53) I have installed an SSD instead of the optical drive, and encrypted both hard drives with FileVault2. For some time now I noticed I can't ...
5
votes
2answers
53k views

How can I change the cellular DNS server on iOS?

Is there a way to set a global DNS server that will be used for all connections (both Wi-Fi + cellular data)? If there isn't a uniform manner to specify DNS, can I just change the DNS used by the ...
5
votes
3answers
4k views

How to add some additional DNS search domains without ignoring the DHCP ones?

I just want to add my own list of Search Domains but without overriding the ones returned by the DHCP? As anyone would imagine I already tried to add them to Network > Advanced > DNS but adding them ...
1
vote
1answer
375 views

Fast External DNS Servers and My Intranet

The local DNS servers, where I work, stink. They're absurdly slow and often completely fail to resolve web domains during certain periods of heavy sunspot activity. In response, I've just added ...
1
vote
1answer
1k views

Ping and curl resolve to one IP, dig/nslookup/host resolve to another

OK, I have a very interesting case. I have a custom DNS server that is vending out IP addresses to varying servers in my test network. If I use dig, nslookup, or host, it tells me that it's properly ...
6
votes
1answer
2k views

User specific hosts file in Mac OS X

I'm working on an OS X 10.6.8 machine, for which I do not have superuser privileges. I'd like to imitate the effect of adding an entry to the hosts file, i.e. have a certain domain resolve to a ...
1
vote
1answer
1k views

Using dnsmasq when not connected to the Internet

I'm routing dns requests through dnsmasq so that domains I'm using for local development point to 127.0.0.1. This works great when I'm connected to the Internet via Wi-Fi or ethernet, but I start to ...
8
votes
1answer
6k views

Is it possible to configure OS X to use the domain-name supplied by DHCP option 15?

I run a small home network, and have configured my DHCP server to provide a domain name with all responses. My MacBook Air (running 10.7.3) places the provided domain in the DNS search path, but does ...
3
votes
1answer
2k views

Map certain ports to URLs via hosts file or DNS resolver

I use SSH tunnelling extensively to gain access to remote machines that are behind a firewall. So to access a development server I use something like http://localhost:8888 which is forwarded to port ...
2
votes
1answer
2k views

How to fix when I can nslookup and dig an internal hostname, but I cannot ping or ssh to the internal machine?

I can nslookup and dig an internal hostname, and I get a rapid response, but I cannot ping or ssh to the server. All external hostnames work fine for both ping, ssh, dig or nslookup. ssh -vvv ...
2
votes
0answers
371 views

Browsing to a nested subdomain resolves wrong page

Our corporate network has some web applications hosted in a nested subdomain hierarchy. A "subdomain's subdomain", as you will. For example: Root-> http://*.mydomain.com (resolves to: 192.2.2.200) ...
2
votes
0answers
2k views

Can Time Capsule/Airport (4th gen) serve local DNS?

I just got a 4th gen Time Capsule for my wife to use as her own backup server, and I'm potentially interested in using it as the main router and Wifi AP on my home network. My current router and AP is ...
3
votes
1answer
584 views

Network's DNS queries redirection to localhost

Before saying anything, I would like you to know that my experience in the field of network administration is about 3 days long, so please treat me like the newbie I am. I have also been looking ...
1
vote
1answer
320 views

Local DNS server access delays

Access to a local DNS server is always delayed by ~1 second. I enabled the DNS server on OS-X Lion and it does indeed work. However when I query it using 'dig' (or nslookup) there is a delay of ...
1
vote
2answers
3k views

How do I get rid of browser redirect malware?

I am using Mac OS X Leopard on a MacBook Pro. I must have been very careless at some point, since I managed to let some malware install in it. While browsing I get randomly redirected to different ...
2
votes
0answers
243 views

Lion Server - DNS crashing

Every now and then (once per week?), my Mac Mini (2011, 8GB RAM i5) running Lion Server, stops the DNS server bringing my network to a grinding halt. The only way I have found to get it to restart is ...
0
votes
1answer
744 views

DNS Problem with my Macbook Pro

I have a problem with my Macbook Pro. I suspend it and if I should open it up and the wifi is connected and all looks pretty well. But I have no connection with my DNS Server. Other devices works ...
2
votes
1answer
328 views

Internet page not loading, ping not working but host www.example.com return an IP

Sorry I'm being vague because I don't even know where the problem can be. Yesterday I was using the internet just fine. Today on the same wifi router and on another 3G connection, I couldn't access ...
3
votes
1answer
458 views

What is OS X's equivalent of Linux's NSS?

Anyone familiar with the internals of Linux knows about NSS; it's the subsystem that services, like gethostname() and such, delegate to. The code that actually makes DNS queries or reads /etc/passwd, ...
4
votes
2answers
5k views

Can I set up domain filtering on an Airport Extreme?

I'm wondering if it is possible to set up domain filtering on an Airport Extreme based home network. Specifically, I'd like to block just rad.msn.com, and I need to do that at the network level.